Harrison race products also included making parts and equipment that would fit British Anzanis. In fact Harrison produced a variety of light weight spring loaded exhausts for Alky that took off a lot of the heavy loading conventional steel pipes added to the overhanging cast iron engine block would then break the mounting flange on the crankcase to torque tube/tower aluminum mount. This was a cheaper alternative. Loose the odd pipe to spring failure or have the whole engine block shear off at the mounting neck and do what?
There is still a lot of pro-con concerning steel versus aluminum megaphone tipped exhausts systems. I wish a knowledgable writer on that subject would give that a go for people like me that remain quite confused when they hear that steel is better than aluminum? Anyone??
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